Home / 1,325,725.45-1,987,045.43-757,504.58

Finding the Fourth Proportional to 1,325,725.45, 1,987,045.43 and 757,504.58

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Solution

The fourth proportional to 1,325,725.45, 1,987,045.43 and 757,504.58 is: 1,135,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,725.45 : 1,987,045.43 = 757,504.58 : x
  2. Step 2: Convert to fraction form
    1,325,725.45/1,987,045.43 = 757,504.58/x
  3. Step 3: Cross multiply
    1,325,725.45x = 1,987,045.43 × 757,504.58
  4. Step 4: Simplify right side
    1,325,725.45x = 1,505,196,000,170.32
  5. Step 5: Solve for x
    x = 1,505,196,000,170.32/1,325,725.45
  6. Step 6: Final answer
    x = 1,135,375.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.